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Spanned Volumes
The unallocated areas of multiple hard drives are joined to create a single logical volume. This allows various drive
spaces to be combined efficiently. The usable space is equal to the sum of the capacity of the drives.
Data cannot be recovered if even a single drive fails.
Simple Volumes (JBOD)
The internal hard drives of the TeraStation are each used as individual drives. The usable space is equal to the sum of
the capacity of the drives.
If a hard drive fails, the data on the failed hard drive cannot be recovered.
Changing the RAID Level of a Volume
To change the RAID level of a volume, follow the procedure below. Through the procedure, all data stored on the
RAID volumes will be erased.
1
In Server Manager, click Tools - Computer Management.
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